From: Lukas Hejtmanek <xhejtman@mail.muni.cz>
To: Jeff Garzik <jeff@garzik.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [git patches] libata ACPI support
Date: Wed, 21 Feb 2007 00:26:33 +0100 [thread overview]
Message-ID: <20070220232633.GA3598@mail.muni.cz> (raw)
In-Reply-To: <45DB74D9.206@garzik.org>
On Tue, Feb 20, 2007 at 05:23:21PM -0500, Jeff Garzik wrote:
> >introducing SATA ACPI does not work for me (I've filled the bug
> >report: http://bugzilla.kernel.org/show_bug.cgi?id=8046) beside those error
> >messages, IDE performance is decreased. libata.noacpi=1 option works ok but
> >the performance is still slightly degraded (about 10%).
>
> Does performance come back if you also use acpi=off ?
It does not.
With 2.6.20-git15, hdparm -t /dev/sda says 28MB/s,
with 2.6.20, hdparm -t /dev/sda says 32MB/s.
--
Lukáš Hejtmánek
next prev parent reply other threads:[~2007-02-20 23:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-20 21:47 [git patches] libata ACPI support Lukas Hejtmanek
2007-02-20 22:23 ` Jeff Garzik
2007-02-20 23:26 ` Lukas Hejtmanek [this message]
2007-02-20 23:49 ` Jeff Garzik
2007-02-21 11:39 ` Lukas Hejtmanek
2007-02-21 17:56 ` Lukas Hejtmanek
2007-02-20 22:23 ` Jeff Garzik
2007-02-20 23:15 ` Lukas Hejtmanek
2007-02-21 1:20 ` Alan
-- strict thread matches above, loose matches on Subject: below --
2007-02-17 22:12 Jeff Garzik
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